Merge branch 'hns3-fixes'

Hao Lan says:

====================
net: hns3: fix some bug for hns3

There are some bugfixes for the HNS3 ethernet driver. patch#1 fix miss
checking for rx packet. patch#2 fixes VF promisc mode not update
when mac table full bug, and patch#3 fixes a nterrupts not
initialization in VF FLR bug.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

Author: davem330

drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.c

@@ -331,9 +331,25 @@ static int hclge_comm_cmd_csq_done(struct hclge_comm_hw *hw)
 	return head == hw->cmq.csq.next_to_use;
 }
 
-static void hclge_comm_wait_for_resp(struct hclge_comm_hw *hw,
+static u32 hclge_get_cmdq_tx_timeout(u16 opcode, u32 tx_timeout)
+{
+	static const struct hclge_cmdq_tx_timeout_map cmdq_tx_timeout_map[] = {
+		{HCLGE_OPC_CFG_RST_TRIGGER, HCLGE_COMM_CMDQ_TX_TIMEOUT_500MS},
+	};
+	u32 i;
+
+	for (i = 0; i < ARRAY_SIZE(cmdq_tx_timeout_map); i++)
+		if (cmdq_tx_timeout_map[i].opcode == opcode)
+			return cmdq_tx_timeout_map[i].tx_timeout;
+
+	return tx_timeout;
+}
+
+static void hclge_comm_wait_for_resp(struct hclge_comm_hw *hw, u16 opcode,
 				     bool *is_completed)
 {
+	u32 cmdq_tx_timeout = hclge_get_cmdq_tx_timeout(opcode,
+							hw->cmq.tx_timeout);
 	u32 timeout = 0;
 
 	do {
@@ -343,7 +359,7 @@ static void hclge_comm_wait_for_resp(struct hclge_comm_hw *hw,
 		}
 		udelay(1);
 		timeout++;
-	} while (timeout < hw->cmq.tx_timeout);
+	} while (timeout < cmdq_tx_timeout);
 }
 
 static int hclge_comm_cmd_convert_err_code(u16 desc_ret)
@@ -407,7 +423,8 @@ static int hclge_comm_cmd_check_result(struct hclge_comm_hw *hw,
 	 * if multi descriptors to be sent, use the first one to check
 	 */
 	if (HCLGE_COMM_SEND_SYNC(le16_to_cpu(desc->flag)))
-		hclge_comm_wait_for_resp(hw, &is_completed);
+		hclge_comm_wait_for_resp(hw, le16_to_cpu(desc->opcode),
+					 &is_completed);
 
 	if (!is_completed)
 		ret = -EBADE;
@@ -529,7 +546,7 @@ int hclge_comm_cmd_queue_init(struct pci_dev *pdev, struct hclge_comm_hw *hw)
 	cmdq->crq.desc_num = HCLGE_COMM_NIC_CMQ_DESC_NUM;
 
 	/* Setup Tx write back timeout */
-	cmdq->tx_timeout = HCLGE_COMM_CMDQ_TX_TIMEOUT;
+	cmdq->tx_timeout = HCLGE_COMM_CMDQ_TX_TIMEOUT_DEFAULT;
 
 	/* Setup queue rings */
 	ret = hclge_comm_alloc_cmd_queue(hw, HCLGE_COMM_TYPE_CSQ);

drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.h

@@ -54,7 +54,8 @@
 #define HCLGE_COMM_NIC_SW_RST_RDY		BIT(HCLGE_COMM_NIC_SW_RST_RDY_B)
 #define HCLGE_COMM_NIC_CMQ_DESC_NUM_S		3
 #define HCLGE_COMM_NIC_CMQ_DESC_NUM		1024
-#define HCLGE_COMM_CMDQ_TX_TIMEOUT		30000
+#define HCLGE_COMM_CMDQ_TX_TIMEOUT_DEFAULT	30000
+#define HCLGE_COMM_CMDQ_TX_TIMEOUT_500MS	500000
 
 enum hclge_opcode_type {
 	/* Generic commands */
@@ -360,6 +361,11 @@ struct hclge_comm_caps_bit_map {
 	u16 local_bit;
 };
 
+struct hclge_cmdq_tx_timeout_map {
+	u32 opcode;
+	u32 tx_timeout;
+};
+
 struct hclge_comm_firmware_compat_cmd {
 	__le32 compat;
 	u8 rsv[20];

drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c

@@ -130,7 +130,7 @@ static struct hns3_dbg_cmd_info hns3_dbg_cmd[] = {
 		.name = "tx_bd_queue",
 		.cmd = HNAE3_DBG_CMD_TX_BD,
 		.dentry = HNS3_DBG_DENTRY_TX_BD,
-		.buf_len = HNS3_DBG_READ_LEN_4MB,
+		.buf_len = HNS3_DBG_READ_LEN_5MB,
 		.init = hns3_dbg_bd_file_init,
 	},
 	{

drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.h

@@ -10,6 +10,7 @@
 #define HNS3_DBG_READ_LEN_128KB	0x20000
 #define HNS3_DBG_READ_LEN_1MB	0x100000
 #define HNS3_DBG_READ_LEN_4MB	0x400000
+#define HNS3_DBG_READ_LEN_5MB	0x500000
 #define HNS3_DBG_WRITE_LEN	1024
 
 #define HNS3_DBG_DATA_STR_LEN	32

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c

@@ -8053,12 +8053,15 @@ static void hclge_ae_stop(struct hnae3_handle *handle)
 	/* If it is not PF reset or FLR, the firmware will disable the MAC,
 	 * so it only need to stop phy here.
 	 */
-	if (test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state) &&
-	    hdev->reset_type != HNAE3_FUNC_RESET &&
-	    hdev->reset_type != HNAE3_FLR_RESET) {
-		hclge_mac_stop_phy(hdev);
-		hclge_update_link_status(hdev);
-		return;
+	if (test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state)) {
+		hclge_pfc_pause_en_cfg(hdev, HCLGE_PFC_TX_RX_DISABLE,
+				       HCLGE_PFC_DISABLE);
+		if (hdev->reset_type != HNAE3_FUNC_RESET &&
+		    hdev->reset_type != HNAE3_FLR_RESET) {
+			hclge_mac_stop_phy(hdev);
+			hclge_update_link_status(hdev);
+			return;
+		}
 	}
 
 	hclge_reset_tqp(handle);

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c

@@ -171,8 +171,8 @@ int hclge_mac_pause_en_cfg(struct hclge_dev *hdev, bool tx, bool rx)
 	return hclge_cmd_send(&hdev->hw, &desc, 1);
 }
 
-static int hclge_pfc_pause_en_cfg(struct hclge_dev *hdev, u8 tx_rx_bitmap,
-				  u8 pfc_bitmap)
+int hclge_pfc_pause_en_cfg(struct hclge_dev *hdev, u8 tx_rx_bitmap,
+			   u8 pfc_bitmap)
 {
 	struct hclge_desc desc;
 	struct hclge_pfc_en_cmd *pfc = (struct hclge_pfc_en_cmd *)desc.data;

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h

@@ -164,6 +164,9 @@ struct hclge_bp_to_qs_map_cmd {
 	u32 rsvd1;
 };
 
+#define HCLGE_PFC_DISABLE	0
+#define HCLGE_PFC_TX_RX_DISABLE	0
+
 struct hclge_pfc_en_cmd {
 	u8 tx_rx_en_bitmap;
 	u8 pri_en_bitmap;
@@ -235,6 +238,8 @@ void hclge_tm_schd_info_update(struct hclge_dev *hdev, u8 num_tc);
 void hclge_tm_pfc_info_update(struct hclge_dev *hdev);
 int hclge_tm_dwrr_cfg(struct hclge_dev *hdev);
 int hclge_tm_init_hw(struct hclge_dev *hdev, bool init);
+int hclge_pfc_pause_en_cfg(struct hclge_dev *hdev, u8 tx_rx_bitmap,
+			   u8 pfc_bitmap);
 int hclge_mac_pause_en_cfg(struct hclge_dev *hdev, bool tx, bool rx);
 int hclge_pause_addr_cfg(struct hclge_dev *hdev, const u8 *mac_addr);
 void hclge_pfc_rx_stats_get(struct hclge_dev *hdev, u64 *stats);

drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c

@@ -1436,7 +1436,10 @@ static int hclgevf_reset_wait(struct hclgevf_dev *hdev)
 	 * might happen in case reset assertion was made by PF. Yes, this also
 	 * means we might end up waiting bit more even for VF reset.
 	 */
-	msleep(5000);
+	if (hdev->reset_type == HNAE3_VF_FULL_RESET)
+		msleep(5000);
+	else
+		msleep(500);
 
 	return 0;
 }